Revert "Management UI"

This reverts commit f11404c574.

database/seeders/DatabaseSeeder.php

@@ -27,12 +27,6 @@ class DatabaseSeeder extends Seeder
 {
     public function run(): void
     {
-        // Demo data is opt-in. Application installation and migrations must
-        // never create a business or an owner implicitly.
-        if (! app()->environment('local') || ! env('NEXTCHAIR_SEED_DEMO', false)) {
-            return;
-        }
-
         $business = Business::updateOrCreate(
             ['slug' => 'demo-barbershop'],
             ['name' => 'Blake Heritage Barbershop', 'shortName' => 'Blake Heritage', 'description' => 'Classic cuts, modern service, and a simple way to book your next visit.', 'phone' => '+44 20 7946 0000', 'email' => 'hello@blakeheritage.test', 'timezone' => 'Europe/London', 'currency' => 'GBP', 'locale' => 'en-GB'],